Prader-Willi syndrome (PWS)
from OrphaChat — a Rare Disease Podcast Hosted by RCH
These sources provide a comprehensive overview of Prader-Willi syndrome (PWS), a rare genetic disorder primarily caused by the lack of expression of paternal genes on chromosome 15. The documentation details the condition's progression from infantile hypotonia and feeding difficulties to a life-limiting stage of hyperphagia, characterized by an insatiable drive to eat and subsequent obesity. Researchers are investigating various therapeutic avenues, including growth hormone therapy, which is widely used to improve body composition, and newer drugs like diazoxide choline (Vykat XR), which recently received FDA approval for treating hunger. The texts also evaluate experimental treatments such as oxytocin for social and appetite regulation, as well as psychotropic medications for skin picking and behavioral issues. Beyond medical intervention, the literature emphasises the necessity of multidisciplinary care, incorporating strict dietary management, special education advocacy, and genetic counselling for families. Significant focus is placed on the SNORD116 gene cluster as a critical factor in the syndrome's complex metabolic and developmental manifestations.
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